Spin transport in ferromagnetically contacted carbon nanotubes

被引：9
|
作者：
Meyer, C. [1 ]
Morgan, C.
Schneider, C. M.
机构：
[1] Forschungszentrum Julich, Peter Grunberg Inst, PGI 6, D-52425 Julich, Germany
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2011年 / 248卷 / 11期
关键词：
carbon nanotubes; CoPd; magnetoresistance; permalloy; COHERENT TRANSPORT;
D O I：
10.1002/pssb.201100131
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We present magnetoresistance (MR) measurements on carbon nanotubes (CNTs) with different ferromagnetic leads. A sample with permalloy (Ni80Fe20) contacts shows the expected tunneling-type MR effect. Measurements on devices with CoPd contacts show a larger change of resistance with magnetic field. However, only minor loops are observed, which is explained with domain wall pinning. This is supported by magnetic force microscopy (MFM) measurements, which reveal a complicated bubble and stripe domain pattern. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码：2680 / 2683
页数：4
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